EP2620608A3 - Exhaust System of Engine - Google Patents

Exhaust System of Engine Download PDF

Info

Publication number
EP2620608A3
EP2620608A3 EP20120194527 EP12194527A EP2620608A3 EP 2620608 A3 EP2620608 A3 EP 2620608A3 EP 20120194527 EP20120194527 EP 20120194527 EP 12194527 A EP12194527 A EP 12194527A EP 2620608 A3 EP2620608 A3 EP 2620608A3
Authority
EP
European Patent Office
Prior art keywords
cylinder part
inner cylinder
exhaust
engine
outside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20120194527
Other languages
German (de)
French (fr)
Other versions
EP2620608A2 (en
EP2620608B1 (en
Inventor
Satoshi Matsushima
Tatsuya Sasaki
Seiichiro Eguchi
Hirotsugu Ishizaki
Yoshitaka Hayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of EP2620608A2 publication Critical patent/EP2620608A2/en
Publication of EP2620608A3 publication Critical patent/EP2620608A3/en
Application granted granted Critical
Publication of EP2620608B1 publication Critical patent/EP2620608B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/085—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using a central core throttling gas passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2210/00—Combination of methods of silencing
    • F01N2210/02—Resonance and interference
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/04—Metallic wool, e.g. steel wool, copper wool or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/06—Tubes being formed by assembly of stamped or otherwise deformed sheet-metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/20—Dimensional characteristics of tubes, e.g. length, diameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/26—Tubes being formed by extrusion, drawing or rolling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles

Abstract

To provide an exhaust system of an engine capable of reducing exhaust noise and improving an output of the engine.
An exhaust system of an engine includes an exhaust pipe (61) connected to an exhaust port of an engine (50); and a muffler (62) attached to a downstream end of the exhaust pipe (61) and configured to reduce exhaust noise, the muffler (62) includes an inner cylinder part (71) connected to the downstream end of the exhaust pipe (61), an outer cylinder part (72) configured to cover an outside of the inner cylinder part (61), and noise absorbing materials (91), (92), (93) disposed between the inner cylinder part 61 and the outer cylinder part (72), a plurality of first communication holes (81) providing communication between with an inside and an outside of the inner cylinder part (71) is formed in an upstream portion (71a) of the inner cylinder part (71), a plurality of second communication holes (82) providing communication between the inside and the outside of the inner cylinder part (71) is formed in a downstream portion (71b) of the inner cylinder part (71), and the plurality of first communication holes (81) includes guide walls (85) extending toward the inside of the inner cylinder part (71) and inlet openings (86) formed by the guide walls (85) and opened toward an upstream side of exhaust.
EP12194527.3A 2012-01-18 2012-11-28 Exhaust System of Engine Not-in-force EP2620608B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012008079 2012-01-18
JP2012175125A JP5909425B2 (en) 2012-01-18 2012-08-07 Engine exhaust system

Publications (3)

Publication Number Publication Date
EP2620608A2 EP2620608A2 (en) 2013-07-31
EP2620608A3 true EP2620608A3 (en) 2014-08-06
EP2620608B1 EP2620608B1 (en) 2016-03-23

Family

ID=47257630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12194527.3A Not-in-force EP2620608B1 (en) 2012-01-18 2012-11-28 Exhaust System of Engine

Country Status (4)

Country Link
US (1) US8640821B2 (en)
EP (1) EP2620608B1 (en)
JP (1) JP5909425B2 (en)
AU (1) AU2012247046B2 (en)

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US8596398B2 (en) 2007-05-16 2013-12-03 Polaris Industries Inc. All terrain vehicle
US8994494B2 (en) 2008-10-10 2015-03-31 Polaris Industries Inc. Vehicle security system
US10358187B2 (en) 2014-01-10 2019-07-23 Polaris Industries Inc. Snowmobile
EP2812236B1 (en) 2012-02-09 2016-11-02 Polaris Industries Inc. Snowmobile
US8936133B2 (en) * 2012-03-01 2015-01-20 Greg Scott Esmond Four cycle internal combustion engine exhaust
US9845004B2 (en) * 2014-01-10 2017-12-19 Polaris Industries Inc. Snowmobile
US9395136B1 (en) 2015-01-16 2016-07-19 KD&E Dynamics Flexible monocore baffle apparatus and related methods
KR102522668B1 (en) * 2015-09-02 2023-04-18 쿠퍼스탠다드오토모티브앤인더스트리얼 주식회사 Silencer for Vehicle
JP6275095B2 (en) * 2015-09-29 2018-02-07 本田技研工業株式会社 Exhaust muffler
DE112017006944B4 (en) * 2017-01-27 2024-02-01 Cummins Emission Solutions Inc. After-treatment component and after-treatment system
CN107587914A (en) * 2017-09-22 2018-01-16 江苏江海船舶设备制造有限公司 A kind of muffler
US10793181B2 (en) 2018-02-13 2020-10-06 Polaris Industries Inc. All-terrain vehicle
JP6982033B2 (en) * 2019-09-12 2021-12-17 本田技研工業株式会社 Saddle-type vehicle

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US20020153197A1 (en) * 2001-02-15 2002-10-24 Craig Cummings Air turbine for combustion engine
GB2413362A (en) * 2004-04-20 2005-10-26 Daniel Coles Exhaust system insert
US20110024228A1 (en) * 2009-07-31 2011-02-03 Honda Motor Co., Ltd. Silencer provided on exhaust pipe of vehicle engine

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Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828830A (en) * 1956-10-08 1958-04-01 John C Clark Non-directional muffler
US3522863A (en) * 1968-07-15 1970-08-04 Vincent E Ignoffo Glass-packed muffler
US4184565A (en) * 1978-12-15 1980-01-22 Harris V C Exhaust muffler
US5962821A (en) * 1995-01-27 1999-10-05 Iannetti; Francesco E. Internal combustion engine noise reduction apparatus
US6026930A (en) * 1996-10-31 2000-02-22 Honda Giken Kogyo Kabushiki Kaisha Exhaust apparatus of vehicles
US20020088667A1 (en) * 2001-01-11 2002-07-11 Sankei Giken Kogyo Kabushiki Kaisya Engine muffler and method of manufacturing the same
US20020153197A1 (en) * 2001-02-15 2002-10-24 Craig Cummings Air turbine for combustion engine
GB2413362A (en) * 2004-04-20 2005-10-26 Daniel Coles Exhaust system insert
US20110024228A1 (en) * 2009-07-31 2011-02-03 Honda Motor Co., Ltd. Silencer provided on exhaust pipe of vehicle engine

Also Published As

Publication number Publication date
JP5909425B2 (en) 2016-04-26
US8640821B2 (en) 2014-02-04
AU2012247046A1 (en) 2013-08-01
EP2620608A2 (en) 2013-07-31
US20130180798A1 (en) 2013-07-18
AU2012247046B2 (en) 2014-07-17
JP2013167242A (en) 2013-08-29
EP2620608B1 (en) 2016-03-23

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

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